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102200021122111 = 11471871105654173
BaseRepresentation
bin10111001111001101001011…
…111101000111110000111111
3111101212020010012012011211121
4113033031023331013300333
5101343421120401401421
61001210012550331411
730345464540135653
oct2717151375076077
9441766105164747
10102200021122111
112a622870635550
12b567070359b67
1345045611b3573
141b347164c0a63
15bc36cc9e4d41
hex5cf34bf47c3f

102200021122111 has 16 divisors (see below), whose sum is σ = 113923937507328. Its totient is φ = 90883718754400.

The previous prime is 102200021122099. The next prime is 102200021122127. The reversal of 102200021122111 is 111221120002201.

It is not a de Polignac number, because 102200021122111 - 221 = 102200019024959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102200021122181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51859780 + ... + 53794393.

It is an arithmetic number, because the mean of its divisors is an integer number (7120246094208).

Almost surely, 2102200021122111 is an apocalyptic number.

102200021122111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102200021122111 is a deficient number, since it is larger than the sum of its proper divisors (11723916385217).

102200021122111 is a wasteful number, since it uses less digits than its factorization.

102200021122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105656102.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 102200021122111 its reverse (111221120002201), we get a palindrome (213421141124312).

The spelling of 102200021122111 in words is "one hundred two trillion, two hundred billion, twenty-one million, one hundred twenty-two thousand, one hundred eleven".

Divisors: 1 11 47 517 1871 20581 87937 967307 105654173 1162195903 4965746131 54623207441 197678957683 2174468534513 9290911011101 102200021122111